Category Archives: Hackaday Columns

A SpaceX Falcon 9 will Blow Up Very Soon, and That’s OK

They say you can’t make an omelette without breaking a few eggs, and there are few fields where this idiom is better exemplified than rocketry. It’s a forgone conclusion that when you develop a new booster, at least a few test articles are going to be destroyed in the process. …read more

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Posted in abort, Crew Dragon, Current Events, dragon, Hackaday Columns, nasa, space, Space Escape, SpaceX | Leave a comment

New Part Day: Arduino Goes Pro with the Portenta H7

The Consumer Electronics Show in Las Vegas is traditionally where the big names in tech show off their upcoming products, and the 2020 show was no different. There were new smartphones, TVs, and home automation devices from all the usual suspects. Even a few electric vehicles snuck in there. But …read more

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Posted in arduino, Arduino Hacks, ARM Cortex-M4, ARM Cortex-M7, ces, eNUC, Hackaday Columns, hardware, industrial components, javascript, news, portenta, python, STM32H7, USB Type-C | Leave a comment

Automate Your Life with Node-RED (Plus a Dash of MQTT)

For years we’ve seen a trickle of really interesting home automation projects that use the Node-RED package. Each time, the hackers behind these projects have raved about Node-RED and now I’ve joined those ranks as well.

This graphic-based coding platform lets you quickly put together useful operations and graphic user …read more

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Posted in Hackaday Columns, home automation, how-to, node-red, node.js, Nodejs, Skills, Software Development, tutorial, web app, webapp | Leave a comment

Hackaday Links: January 12, 2020

Nothing ruffles feathers more reliably than a software company announcing changes to its licensing terms. And so it goes with AutoDesk, who recently announced that Eagle would no longer be available as a standalone product and would now be bundled with Fusion 360. It looks like there’s still a free …read more

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Posted in Hackaday Columns, Hackaday links | Leave a comment

Living At The Close Of The Multiway Era

After over a decade of laptop use, I made the move a couple of months ago back to a desktop computer. An ex-corporate compact PC and a large widescreen monitor on a stand, and alongside them a proper mouse and my trusty IBM Model M that has served me for …read more

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Posted in cables, green hacks, Hackaday Columns, hardware, recycling, scart, scsi, vga | Leave a comment

Commercial Circuit Simulator Goes Free

If you are looking for simulation software, you are probably thinking LTSpice or one of the open-source simulators like Ngspice (which drives Oregano and QUCs-S), or GNUCap. However, there is a new free option after the closing of Spectrum Software last year: Micro-Cap 12. You may be thinking: why use …read more

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Posted in Hackaday Columns, LTSpice, micro-cap, simulation, SPICE, tool hacks | Leave a comment

Choosing The Right Battery For Your Electric Vehicle Build

Many a hacker has looked at their scooter, bike, or skateboard, and decided that it would be even better if only it had a motor on it. Setting out to electrify one’s personal transport can be an exciting and productive journey, and one that promises to teach many lessons about …read more

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Posted in battery, electric vehicle, electric vehicles, Hackaday Columns, lithium polymer battery, transportation hacks | Leave a comment

Hackaday Links: January 5, 2020

It looks like the third decade of the 21st century is off to a bit of a weird start, at least in the middle of the United States. There, for the past several weeks, mysterious squads of multicopters have taken to the night sky for reasons unknown. Witnesses on the …read more

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Posted in colorado, data recovery, drone, Hackaday Columns, Hackaday links, hard drive, laser, magnet, medical imaging, mobility, non-contact, search, segway, self balancing, uav, ultrasound | Leave a comment

Linux Fu: Leaning Down with exec

Shell scripting is handy and with a shell like bash it is very capable, too. However, shell scripting isn’t always very efficient. Think about it. If you run grep or tr or sort to do some operation in a shell script, you are spawning a whole new process. That takes …read more

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Posted in bash, exec, Hackaday Columns, linux, Linux Fu, linux hacks, shell scripting, Skills | Leave a comment

Hackaday Links: December 29, 2019

The retrocomputing crowd will go to great lengths to recreate the computers of yesteryear, and no matter which species of computer is being restored, getting it just right is a badge of honor in the community. The case and keyboard obviously playing a big part in that look, so when …read more

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Posted in ai, c64, Case mods, commodore, ERT, flex PCB, Hackaday Columns, Hackaday links, keycaps, kickstarter, machine learning, privacy, retrocomputing, RTL-SDR, rtlamr, security, spoofing, teardrop, YOLO | Leave a comment